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Finding the Fourth Proportional to 14,255.33, 19,672.27 and 7,881.84

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Solution

The fourth proportional to 14,255.33, 19,672.27 and 7,881.84 is: 10,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.33 : 19,672.27 = 7,881.84 : x
  2. Step 2: Convert to fraction form
    14,255.33/19,672.27 = 7,881.84/x
  3. Step 3: Cross multiply
    14,255.33x = 19,672.27 × 7,881.84
  4. Step 4: Simplify right side
    14,255.33x = 155,053,664.87
  5. Step 5: Solve for x
    x = 155,053,664.87/14,255.33
  6. Step 6: Final answer
    x = 10,876.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.